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WO2019234938A1 - Écouteurs - Google Patents

Écouteurs Download PDF

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Publication number
WO2019234938A1
WO2019234938A1 PCT/JP2018/022126 JP2018022126W WO2019234938A1 WO 2019234938 A1 WO2019234938 A1 WO 2019234938A1 JP 2018022126 W JP2018022126 W JP 2018022126W WO 2019234938 A1 WO2019234938 A1 WO 2019234938A1
Authority
WO
WIPO (PCT)
Prior art keywords
terminal
earpiece
battery
cable
mounting surface
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2018/022126
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English (en)
Japanese (ja)
Inventor
潤 勝沼
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bubble Lab Co Ltd
Original Assignee
Bubble Lab Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bubble Lab Co Ltd filed Critical Bubble Lab Co Ltd
Priority to PCT/JP2018/022126 priority Critical patent/WO2019234938A1/fr
Publication of WO2019234938A1 publication Critical patent/WO2019234938A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones

Definitions

  • the embodiment of the present invention relates to an earphone.
  • wireless earphones have been widely used to listen to audio from electronic devices such as audio players. Wireless earphones do not require a cable connection with an electronic device. Furthermore, in recent years, complete wireless earphones that do not require a cable for connecting the left and right earphone housings (earpieces) have been used.
  • the complete wireless earphone is difficult to mount a large capacity battery due to the small size of the earphone housing. For this reason, it has been difficult to lengthen the continuous operation possible time. Conventionally, when charging a small battery built in an earphone housing, it has been necessary to store the battery in a dedicated storage case equipped with a charging function, for example. For this reason, the conventional complete wireless earphone cannot be used during charging.
  • the purpose is to provide an earphone that does not need to be suspended for battery charging.
  • the earphone includes a first earpiece, a second earpiece, and a cable.
  • the first earpiece includes a first battery, a first speaker, a first communication module that receives audio data by wireless communication, and a first driver that drives the first speaker according to the audio data, in the first housing. And a first terminal for receiving power supply for charging the first battery.
  • the second earpiece includes a second battery, a second speaker, a second communication module that receives audio data by wireless communication, and a second driver that drives the second speaker according to the audio data, in the second housing. And a second terminal for receiving power supply for charging the second battery.
  • the cable includes a third battery, a third terminal connected to the first terminal for supplying power stored in the third battery to the first earpiece, and power stored in the third battery. Having a fourth terminal connected to the second terminal for supplying the second earpiece to the second earpiece.
  • the first earpiece has a first detaching mechanism that allows the second earpiece and the cable to be detachable from each other, and the second earpiece is connected to the first earpiece and the cable.
  • a second detaching mechanism that enables detachment from each other, wherein the cable is detachable from each other with respect to the third ear detaching mechanism and the second ear piece that are detachable from each other.
  • a fourth desorption mechanism that enables it.
  • the third detaching mechanism is provided on one end side of the cable, and the fourth detaching mechanism is provided on the other end side of the cable.
  • the first terminal When the first earpiece is attached to the cable by the first and third attachment / detachment mechanisms, the first terminal is connected to the third terminal, the first battery is charged by the third battery, 2.
  • the second earpiece When the second earpiece is attached to the cable by the fourth detaching mechanism, the second terminal is connected to the fourth terminal, and the second battery is charged by the third battery.
  • the earphone According to the earphone according to the present embodiment, it is not necessary to interrupt the use for charging the battery.
  • FIG. 1 is a perspective view showing an external configuration of the earphone according to the present embodiment.
  • FIG. 2 is a front view of the earphone of FIG.
  • FIG. 3 is a block diagram showing a configuration of the earpiece of FIG.
  • FIG. 4 is a block diagram showing the configuration of the cable of FIG.
  • FIG. 5 is a side view showing a state where the earpiece is attached to the cable.
  • FIG. 6 is a front view of a mounting surface for detaching an earpiece provided on the cable.
  • FIG. 7 is a cross-sectional view showing the configuration of the cable and the ear piece in a state where the ear piece is attached to the cable shown in FIG.
  • FIG. 8 is a front view of a mounting surface for detaching a cable provided on the earpiece.
  • FIG. 9 is a side view showing a state where the earpiece is removed from the cable.
  • FIG. 10 is a cross-sectional view showing a configuration in a state where the earpiece is removed from the cable shown in FIG.
  • FIG. 11 is a diagram illustrating a state in which the earpiece is not attached to the cable.
  • FIG. 12 is a diagram illustrating a state in which the earpiece is attached to the cable.
  • FIG. 13 is a diagram illustrating a state in which the earpieces are attached to each other.
  • FIG. 1 is a perspective view showing an external configuration of an earphone 10 according to the present embodiment
  • FIG. 2 is a front view of the earphone 10.
  • the earphone 10 shown in FIGS. 1 and 2 has earpieces 24R and 24L detachably attached to a flexible cable 20.
  • the ear piece 24R is detachably provided near one end of the cable 20, and the ear piece 24L is provided detachable near the other end of the cable 20.
  • the earpiece 24R is used for the right ear, and the earpiece 24L is used for the left ear.
  • the earpieces 24R and 24L can be independently operated while being disconnected from the cable 20, and are referred to as, for example, complete wireless earphones.
  • the earpieces 24R and 24L can receive audio data from various electronic devices and output sound by wireless communication based on a short-range wireless communication standard such as Bluetooth (registered trademark).
  • a short-range wireless communication standard such as Bluetooth (registered trademark).
  • each of the earpieces 24R and 24L may be directly connected to the electronic device, or the earpiece 24R may be directly connected to the electronic device as a parent device, and the earpiece 24L may be connected to the earpiece 24R of the parent device as a child device. It may be configured.
  • the earpieces 24R and 24L can continue the operation state in which sound is output regardless of whether the earpieces 24R and 24L are removed from the cable 20 or attached to the cable 20.
  • the cable 20 is provided with a battery 40 and a charging unit 22 near the center, for example.
  • the charging unit 22 has a function of charging a battery built in the earpieces 24R, 24L when the earpieces 24R, 24L are attached to the cable 20.
  • FIG. 3 is a block diagram showing the configuration of the earpiece 24R in the present embodiment.
  • the earpiece 24L has the same configuration as the earpiece 24R, and a detailed description thereof is omitted.
  • a battery 40, a control circuit 41, a power circuit 42, a power switch 44, a communication module 46, a driver 47, a speaker 48, and a terminal 49 (491, 491) are provided in a housing (earphone housing) of the earpiece 24R. 492).
  • the battery 40 stores electric power to be supplied to each part provided in the earpiece 24R.
  • the battery 40 is connected to a terminal 49 (491, 492).
  • the battery 40 is charged by the electric power supplied from the cable 20 through the terminal 49 when the earpiece 24R is attached to the cable 20.
  • the power supply circuit 42 uses the power stored in the battery 40 to generate driving voltages for the respective units (the control circuit 41, the communication module 46, and the driver 47).
  • a power switch 44 is connected to the power circuit 42.
  • the power switch 44 is for detecting whether the earpiece 24R is in the first state where the earpiece 24L is attached or the second state where the earpiece 24L is not attached.
  • the second state includes a state where the earpiece 24R is attached to the cable 20 and a state where the earpiece 24R is attached to the right ear, for example, and used alone.
  • the power supply circuit 42 stops supplying power to the control circuit 41, the communication module 46, and the driver 47.
  • the power supply circuit 42 supplies power to the control circuit 41, the communication module 46, and the driver 47. That is, various functions of the earpiece 24R are turned on.
  • the control circuit 41 controls each part of the earpiece 24R.
  • the communication module 46 receives audio data from various electronic devices by short-range wireless communication such as Bluetooth (registered trademark) under the control of the control circuit 41, and performs reception processing such as decoding processing on the received audio data. Execute.
  • the audio data received and processed by the communication module 46 is output to the driver 47 under the control of the control circuit 41.
  • the driver 47 converts the digital audio data received by the communication module 46 into an analog audio signal, and drives the speaker 48 according to the audio signal.
  • the speaker 48 is driven by the driver 47 and outputs sound corresponding to the audio data.
  • the terminal 49 includes a positive terminal 491 and a negative terminal 492.
  • the terminals 49 (491, 492) are connection terminals that electrically connect the battery 40 of the earpiece 24R to the charging circuit 30 of the cable 20 when the earpiece 24R is attached to the cable 20.
  • the battery 40 receives power supply from the charging circuit 30 of the cable 20 through the terminal 49.
  • the charging circuit 30 for charging the battery 40 of the earpiece 24R is provided in the cable 20, but it may be provided in the earpiece 24R.
  • FIG. 4 is a block diagram showing the configuration of the cable 20 in the present embodiment.
  • the cable 20 is provided with a charging unit 22.
  • the charging unit 22 is provided with a charging circuit 30, a battery 32, and a terminal 36 (36R1, 36R2, 36L1, 36L2).
  • the charging circuit 30 has a function of charging the battery 32 with the power supplied from the outside through the connector 34 provided near the center of the cable 20, and a function of charging the battery 40 of the earpieces 24R and 24L with the power charged in the battery 32.
  • the charging circuit 30 can charge the battery 32 while charging the battery 40.
  • the cable 20 may be provided with a charging circuit for charging the battery 40 and a charging circuit for charging the battery 32 separately.
  • the connector 34 may be a connector including a positive electrode terminal and a negative electrode terminal dedicated for power supply, or may be a general-purpose connector having a power supply line such as USB (Universal Serial Bus).
  • the battery 32 stores electric power for charging the battery 40 mounted on the earpieces 24R, 24L.
  • a battery 32 having a larger capacity than the battery 40 is used.
  • the terminal 36 supplies the power stored in the battery 32 to the earpiece 24R, the terminals 36R1 and 36R2 that are in electrical contact with the terminals 491 and 492 provided on the earpiece 24R, respectively, and the power stored in the battery 32.
  • the terminals 36R1 and 36L1 are provided for the positive electrode
  • the terminals 36R2 and 36L2 are provided for the negative electrode.
  • FIG. 5 is a side view showing a state where the earpiece 24 (24R, 24L) is attached to the cable 20.
  • FIG. 7, and FIG. 8 are diagrams showing an enlarged view of the area A shown in FIG.
  • FIG. 6 is a front view of a mounting surface for detaching the earpiece 24 provided on the cable 20.
  • FIG. 7 is a cross-sectional view showing the configuration of the cable 20 and the earpiece 24 in a state where the earpiece 24 is attached to the cable 20 shown in FIG.
  • FIG. 8 is a front view of a mounting surface for detaching the cable 20 provided on the earpiece 24.
  • the cable 20 is provided with a detaching mechanism that allows the earpieces 24R and 24L to be detachable from each other.
  • the earpiece 24R has a detachable mechanism that allows the earpiece 24L or the cable 20 to be detachably attached to each other.
  • the earpiece 24L has a detaching mechanism that allows the earpiece 24R or the cable 20 to be detachable from each other.
  • the attachment / detachment mechanism provided on the cable 20 and the earpieces 24R, 24L makes it possible to attach / detach to / from each other using magnetic force.
  • a mounting surface 60 for mounting the earpieces 24 ⁇ / b> R and 24 ⁇ / b> L is formed near the end of the cable 20.
  • the mounting surface 60 has a shape that can be brought into close contact with the mounting surface 50 provided on the earpieces 24R, 24L.
  • the mounting surface 50 provided at the tip of the earpieces 24R and 24L has a spherical shape
  • the mounting surface 60 provided on the cable 20 has a concave spherical shape that closely contacts the spherical surface of the mounting surface 50 of the earpieces 24R and 24L.
  • tip part of the earpiece 24R and the earpiece 24L is formed in the same shape.
  • the mounting surfaces 60 provided at both ends of the cable 20 are formed in the same shape.
  • a member 62 that acts as a desorption mechanism is disposed at the center position of the concave spherical surface.
  • the member 62 is made of a material that attracts the magnet 51 provided on the mounting surface 60 of the earpieces 24R and 24L.
  • a magnetic body such as a magnet or iron is used.
  • the mounting surface 50 of the earpieces 24R and 24L is provided with a magnet 51 that acts as a desorption mechanism at the center position of the spherical surface.
  • the magnet 51 of the earpiece 24R (the magnet 51R shown in FIG. 13) has the N pole exposed on the surface, and the magnet 51 of the earpiece 24L (the magnet 51L shown in FIG. 13) has the S pole exposed on the surface. It shall be (or vice versa).
  • the area and shape (circular shape) of the opposing surfaces of the member 62 and the magnet 51 are formed substantially the same.
  • a positive electrode terminal 361 terminal 36R1 or terminal 36L1 shown in FIG. 4
  • a negative electrode terminal 362 (terminal 36R2 or terminal 36L2 shown in FIG. 4) concentrically formed in a ring shape. Arranged.
  • the concave spherical mounting surface 60 of the cable 20 and the spherical mounting surface 50 of the earpiece 24 are formed so as to be in close contact with each other. Is arranged. Therefore, by bringing the mounting surface 60 of the cable 20 and the mounting surfaces 50 of the ear pieces 24R and 24L close to each other, the magnetic force between the member 62 and the magnet 51 can be brought into close contact with each other. it can.
  • 64 is provided, and a negative electrode terminal 66 is provided at a position where it can come into contact with the terminal 362 relative to the terminal 362.
  • the terminals 64 and 66 are formed in a shape that allows point contact with the terminals 361 and 362.
  • the terminal 361 and the terminal 64 are brought into contact with each other even if the earpieces 24R and 24L are rotated at any angle with respect to the mounting surface 60 of the cable 20 at the central axis of the mounting surface 50. And the terminal 66 are brought into contact with each other. That is, since there is no restriction on the orientation when the earpieces 24R, 24L are attached to the cable 20, it can be easily attached simply by bringing the member 62 of the cable 20 and the magnet 51 of the earpieces 24R, 24L close to each other. In addition, stable electrical connection is possible. For example, when the earpieces 24R and 24L are attached to the ear, the attachment surface 60 is exposed to the outside.
  • the cable 20 can be easily attached to the earpieces 24R and 24L by bringing the attachment surface 60 of the cable 20 close to the earpieces 24R and 24L. That is, the battery 40 of the earpieces 24R and 24L can be charged by the cable 20 (charging unit 22) without interrupting the use of the earpieces 24R and 24L.
  • FIG. 9 is a side view showing a state where the earpiece 24 (24R, 24L) is removed from the cable 20.
  • FIG. 10 is a cross-sectional view showing a configuration in a state where the earpiece 24 is removed from the cable 20 shown in FIG.
  • the terminal 64 and the terminal 66 of the cable 20 are biased so that the tip ends slightly protrude from the housing surface when the earpieces 24R and 24L are not attached. Thereby, when the mounting surface 50 of the earpieces 24R and 24L is brought into close contact with the mounting surface 60 of the cable 20, the terminals 64 and 66 and the terminals 361 and 362 are securely connected to each other. At the time of mounting, as shown in FIG. 7, the terminal 64 and the terminal 66 are pushed into the housing by contact with the terminals 361 and 362.
  • the magnets 51 of the ear pieces 24R and 24L are slightly housed in the housing when the tip portion is not attached to the cable 20.
  • first state a state where the earpieces 24R and 24L are attached to each other
  • second state a state where the earpieces 24R and 24L are not attached to each other
  • the second state includes a state where the earpieces 24R and 24L are attached to the cable 20 and a normal use state of the earpieces 24R and 24L.
  • the power switch 44 detects the movement of the magnet 51 when the earpieces 24R and 24L are attached to each other, and detects the first state. If the movement of the magnet 51 is not detected by the power switch 44, it indicates that the state is in the second state. The operation of the earpieces 24R and 24L is turned on / off according to the state detected by the power switch 44.
  • FIG. 11 and 12 are enlarged cross-sectional views of the periphery of the member 62 of the cable 20 and the magnets 51 of the earpieces 24R and 24L.
  • FIG. 11 is a diagram illustrating a state where the earpieces 24 ⁇ / b> R and 24 ⁇ / b> L are not attached to the cable 20.
  • FIG. 12 is a diagram illustrating a state where the earpieces 24 ⁇ / b> R and 24 ⁇ / b> L are attached to the cable 20.
  • FIG. 13 is a diagram illustrating a state in which the earpieces 24R and 24L are attached to each other.
  • the member 62 provided on the cable 20 slightly protrudes from the mounting surface 60. For example, it protrudes about 0.2 mm.
  • the magnets 51 provided on the ear pieces 24R, 24L are urged inward by the elastic member 56.
  • the elastic member 56 for example, a spring, rubber or the like can be used.
  • the power switch 44 is provided at a position that turns on when the surface of the magnet 51 moves to the same position as the mounting surface 50 against the bias of the elastic member 56.
  • the power switch 44 is in an off state. Since the power switch 44 does not detect the movement of the magnet 51, it indicates that the earpieces 24R and 24L are in the second state where they are not attached to each other.
  • the magnet 51R of the ear piece 24R and the magnet 51L of the ear piece 24L are in close contact with each other.
  • the magnet 51R has an N pole exposed on the surface
  • the magnet 51L has an S pole exposed on the surface. Accordingly, by bringing the earpiece 24R and the earpiece 24L close to each other so that the magnets 51R and 51L face each other, the magnets 51R and 51L attract each other against the bias of the elastic member 56. Can be attached to. In this case, the surfaces of the magnets 51R and 51L reach the respective mounting surfaces 60. Accordingly, the power switch 44R of the earpiece 24R is turned on.
  • the power switch 44R detects the movement of the magnet 51R and indicates that the earpieces 24R and 24L are in the first state where they are attached to each other.
  • the power switch 44L of the earpiece 24L detects the movement of the magnet 51L and indicates that the earpieces 24R and 24L are in the first state where they are attached to each other.
  • the power supply circuit 42 of the earpiece 24R detects that the power switch 44R is in the first state
  • the power supply circuit 42 stops supplying power to the control circuit 41, the communication module 46, and the driver 47.
  • the operation of the earpiece 24R stops.
  • the power supply circuit 42 of the earpiece 24L stops supplying power to the control circuit 41, the communication module 46, and the driver 47 when the power switch 44L detects that the power supply circuit 42 is in the first state. As a result, the operation of the earpiece 24L stops.
  • the earpieces 24R and 24L can be attached to each other to turn off the operation without operating the power switch.
  • the operation can be automatically turned on only by separating the earpieces 24R and 24L without operating the power switch.
  • the earpieces 24R and 24L can charge the battery 40 without interrupting use by attaching the cable 20 even during operation.
  • the cable 20 is configured to be flexible, and is formed in a U shape as shown in FIGS. 1 and 2. Therefore, even if the cable 20 is attached to the earpieces 24R and 24L attached to the ear, the cable 20 is not disturbed by being placed behind the head or neck.
  • the earpieces 24R and 24L can be stored while being attached to each other, so that the storage space can be minimized and one of the earpieces is lost. Can be avoided.
  • the earpieces 24R and 24L can operate independently, only one of them may be used. For example, when only the earpiece 24R is used, it is possible to charge only the battery 40 of the earpiece 24R by attaching the cable 20 to the earpiece 24R.
  • the surface of the magnet 51L is brought into close contact with a member (such as a magnet or iron) that attracts the planarly formed magnet 51, whereby the first state is set by the power switch 44L. Is detected. Thereby, the operation of the earpiece 24L can be stopped.
  • a terminal that can be connected to the positive electrode terminal 361 and the negative electrode terminal 362 of the earpiece 24L is provided, and the operation is turned off through this terminal. It is also possible to charge the battery 40 of a certain earpiece 24L.
  • the battery 40 built in the earpieces 24R and 24L can be connected to the cable 20 while the earpieces 24R and 24L remain in an operating state.
  • the battery 32 can be charged by the large capacity battery 32 accommodated therein. Therefore, it is not necessary to interrupt the use of the earpieces 24R and 24L for charging the battery 40.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Telephone Set Structure (AREA)

Abstract

L'invention concerne des écouteurs qui ne nécessitent pas d'interruption de leur utilisation afin de charger une batterie. Les écouteurs (10) selon un mode de réalisation de la présente invention comprennent des écouteurs (24R, 24L ) et un câble (20). Les écouteurs (24R, 24L) comprennent les éléments suivants à l'intérieur d'un boîtier : une batterie (40); un module de communication (46) qui reçoit des données audio par communication sans fil; un circuit d'alimentation électrique (42) pour effectuer une commande qui entraine l'audio correspondant aux données audio à être émis par un haut-parleur; et un terminal (49) qui reçoit une alimentation électrique pour charger la batterie (40). Le câble (20) comprend une batterie (32) et des bornes (36) connectées aux bornes (49) et utilisées pour fournir de l'énergie stockée dans la batterie (32) aux écouteurs (24R, 24L). Les écouteurs (24R, 24L) comprennent un mécanisme d'attachement/détachement permettant de se détacher l'un de l'autre et un mécanisme d'attachement/détachement permettant de se détacher du câble.
PCT/JP2018/022126 2018-06-08 2018-06-08 Écouteurs Ceased WO2019234938A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/JP2018/022126 WO2019234938A1 (fr) 2018-06-08 2018-06-08 Écouteurs

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2018/022126 WO2019234938A1 (fr) 2018-06-08 2018-06-08 Écouteurs

Publications (1)

Publication Number Publication Date
WO2019234938A1 true WO2019234938A1 (fr) 2019-12-12

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2018/022126 Ceased WO2019234938A1 (fr) 2018-06-08 2018-06-08 Écouteurs

Country Status (1)

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WO (1) WO2019234938A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20170093454A1 (en) * 2015-09-30 2017-03-30 Apple Inc. Case with inductive charging system to charge a portable device
US20170134845A1 (en) * 2015-11-10 2017-05-11 Skullcandy, Inc. Wireless earbuds and related methods
US20170311073A1 (en) * 2016-04-20 2017-10-26 Lg Electronics Inc. Portable sound equipment

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20170093454A1 (en) * 2015-09-30 2017-03-30 Apple Inc. Case with inductive charging system to charge a portable device
US20170134845A1 (en) * 2015-11-10 2017-05-11 Skullcandy, Inc. Wireless earbuds and related methods
US20170311073A1 (en) * 2016-04-20 2017-10-26 Lg Electronics Inc. Portable sound equipment

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